公开(公告)号：US20190234435A1

公开(公告)日：2019-08-01

申请号：US15882973

申请日：2018-01-29

Applicant: SHIMANO INC.

Inventor： Masahiro NAKAKURA ,  Atsushi YAMAZAKI ,  Takafumi NISHINO

IPC: F15B21/04 ,  F16D65/18 ,  F16D65/28 ,  B62L3/02 ,  F16D55/226 ,  F15B15/14 ,  F16D125/16

Abstract: A hydraulic device comprises a hydraulic structure and a release member. The hydraulic structure includes an interior space in which a fluid is to be filled. The release member is attached to the hydraulic structure so as to be exposed to the interior space and an atmosphere. The release member is configured to release air from the interior space toward the atmosphere in accordance with an internal pressure of the interior space.